derek.holloway
7502bf64a4
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62 lines
1.1 KiB
Bash
Executable File
62 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2025 Yury Gribov
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#
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# The MIT License (MIT)
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#
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# Use of this source code is governed by MIT license that can be
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# found in the LICENSE.txt file.
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# This is a simple benchmark of Implib's overhead.
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#
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# On my machine results are very close, Implib being 0.5-1% slower.
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set -eu
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cd $(dirname $0)
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if test -n "${1:-}"; then
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ARCH="$1"
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fi
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. ../common.sh
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CFLAGS="-g -O2 $CFLAGS"
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N=10
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# Need sudo for nice...
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RUN='nice -n -20 taskset 1'
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$CC $CFLAGS -shared -fPIC interposed.c -o libinterposed.so
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${PYTHON:-} ../../implib-gen.py -q --target $TARGET libinterposed.so
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export LD_LIBRARY_PATH=.:${LD_LIBRARY_PATH:-}
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# Baseline
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$CC $CFLAGS -DBASELINE main.c
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echo "Baseline:"
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$RUN time ./a.out
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# Normal
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$CC $CFLAGS main.c -L. -linterposed $LIBS
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echo "Normal:"
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$RUN time ./a.out
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# Implib
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$CC $CFLAGS main.c libinterposed.so.tramp.S libinterposed.so.init.c $LIBS
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echo "Implib:"
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$RUN time ./a.out
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# Implib (IMPLIB_EXPORT_SHIMS)
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$CC $CFLAGS -DIMPLIB_EXPORT_SHIMS -rdynamic main.c libinterposed.so.tramp.S libinterposed.so.init.c $LIBS
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echo "Implib (IMPLIB_EXPORT_SHIMS):"
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$RUN time ./a.out
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